/*
 * @Description: 
 * @Author: Aroma
 * @Date: 2024-11-07 15:19:48
 * @LastEditors: Aroma
 * @LastEditTime: 2024-11-07 15:19:52
 * @别瞎看: 你个无脑牛马
 */

//length返回字符串的长度。
let str = "hello world";
console.log(str.length);